floatHash is package{
  main () do {
    a is hash{17000.0 -> 1.81};
    b is hash{17000.0 -> 1.81};
    assert a=b;
    assert a=a;
    assert 17000.0 = 17000.0;
    assert 1.81 = 1.81;

    c is hash{170000 -> 181};
    d is hash{170000 -> 181};
    assert c=d;
  }
}